CH545560A - - Google Patents
Info
- Publication number
- CH545560A CH545560A CH1562371A CH545560DA CH545560A CH 545560 A CH545560 A CH 545560A CH 1562371 A CH1562371 A CH 1562371A CH 545560D A CH545560D A CH 545560DA CH 545560 A CH545560 A CH 545560A
- Authority
- CH
- Switzerland
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/14—Monitoring arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2416071 | 1971-05-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH545560A true CH545560A (xx) | 1974-01-31 |
Family
ID=11212295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1562371A CH545560A (xx) | 1971-05-06 | 1971-10-27 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3798635A (xx) |
CH (1) | CH545560A (xx) |
DE (1) | DE2221885C3 (xx) |
GB (1) | GB1367413A (xx) |
SE (1) | SE383814B (xx) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2219582B1 (xx) * | 1973-02-27 | 1979-04-20 | Cit Alcatel | |
US3945002A (en) * | 1974-10-25 | 1976-03-16 | Bell Telephone Laboratories, Incorporated | Block digital processor for use with nonuniformly encoded digital words |
US4040049A (en) * | 1975-10-09 | 1977-08-02 | Bell Telephone Laboratories, Incorporated | Tandem block digital processor for use with nonuniformly encoded digital data |
US4046995A (en) * | 1975-11-17 | 1977-09-06 | Engineered Systems, Inc. | Memory fullness indicator |
DE2659512B1 (de) * | 1976-12-30 | 1978-05-24 | Wandel & Goltermann | Verfahren und Schaltungsanordnung zum Erzeugen eines Digitalsignals zum Pruefen einer PCM-Endstelle |
US4059729A (en) * | 1976-06-09 | 1977-11-22 | Martin Marietta Aerospace | Method and system for selectively accessing multiplexed data transmission network for monitoring and testing of the network |
CA1068408A (en) * | 1977-03-03 | 1979-12-18 | Northern Telecom Limited | Circuit and method for digitally measuring signal levels, of pcm encoded signals |
US4103108A (en) * | 1977-03-04 | 1978-07-25 | Northern Telecom Limited | Circuit and method for digitally measuring signal levels of pcm encoded signals |
JPS542050A (en) * | 1977-06-07 | 1979-01-09 | Nec Corp | Block coding and decoding system |
US4486739A (en) * | 1982-06-30 | 1984-12-04 | International Business Machines Corporation | Byte oriented DC balanced (0,4) 8B/10B partitioned block transmission code |
JPS5939134A (ja) * | 1982-08-30 | 1984-03-03 | Hitachi Ltd | 折線伸張回路 |
US4544916A (en) * | 1982-08-31 | 1985-10-01 | At&T Bell Laboratories | Digital code translator |
EP0542976A4 (en) * | 1991-06-07 | 1993-08-11 | Australian And Overseas Telecommunications Corporation Limited | Pcm monitor |
JP2001511323A (ja) | 1997-01-30 | 2001-08-07 | フジツウ ネットワーク コミュニケーションズ,インコーポレイテッド | 高速シリアルリンク用データ符号器/復号器 |
US6198413B1 (en) * | 1999-07-01 | 2001-03-06 | International Business Machines Corporation | Partitioned DC balanced (0,6) 16B/18B transmission code with error correction |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL84014C (xx) * | 1947-03-05 | |||
US3259695A (en) * | 1961-11-27 | 1966-07-05 | Nippon Electric Co | Malfunction monitoring of time-division multiplex pcm equipment |
US3694639A (en) * | 1970-04-07 | 1972-09-26 | Pierre A Deschenes | Pulse code modulation digital compandor |
-
1971
- 1971-10-27 CH CH1562371A patent/CH545560A/xx not_active IP Right Cessation
-
1972
- 1972-04-25 GB GB1920572A patent/GB1367413A/en not_active Expired
- 1972-05-04 DE DE2221885A patent/DE2221885C3/de not_active Expired
- 1972-05-05 US US00250725A patent/US3798635A/en not_active Expired - Lifetime
- 1972-05-05 SE SE7205956A patent/SE383814B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
SE383814B (sv) | 1976-03-29 |
DE2221885A1 (de) | 1973-02-22 |
GB1367413A (en) | 1974-09-18 |
DE2221885B2 (de) | 1975-05-22 |
US3798635A (en) | 1974-03-19 |
DE2221885C3 (de) | 1976-01-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PFA | Name/firm changed |
Owner name: ITALTEL S.P.A. |
|
PL | Patent ceased |